linux-kernel - Re: [PATCH] Blackfin: bf537: rename "CONFIG

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Date:	Thu, 13 Feb 2014 11:15:48 +0100
From:	Paul Bolle <pebolle@...cali.nl>
To:	Jean Delvare <khali@...ux-fr.org>
Cc:	Steven Miao <realmz6@...il.com>,
	Michael Hennerich <michael.hennerich@...log.com>,
	Jonathan Cameron <jic23@....ac.uk>,
	Guenter Roeck <linux@...ck-us.net>,
	adi-buildroot-devel@...ts.sourceforge.net,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Blackfin: bf537: rename "CONFIG_ADT75"

[Replaced previous maintainer and list with current maintainer and
list.]

On Thu, 2013-04-04 at 13:40 +0200, Jean Delvare wrote:
> On Thu, 04 Apr 2013 12:31:06 +0200, Paul Bolle wrote:
> > In v3.2 the Analog Devices ADT75 temperature sensor driver was removed
> > as an IIO driver and support for it was added to the LM75 HWMON driver.
> > But it was apparently overlooked to rename one reference to CONFIG_ADT75
> > to CONFIG_SENSORS_LM75. Do so now. Use the IS_ENABLED() macro, while
> > we're at it.
> > 
> > Signed-off-by: Paul Bolle <pebolle@...cali.nl>
> > ---
> > 0) Also untested.
> > 
> > 1) See commits e96f9d89e6213c7630a3323cd0c754e7f2619564 ("hwmon: (lm75)
> > Add support for Analog Devices ADT75") and
> > cdea0bec8d37f2943ae500512b0c178bc76de6e3 ("iio: adc: remove ADT75 driver
> > - hwmon/lm75 will take over ADT75 support") for the two patches involved
> > in this operation.
> > 
> >  arch/blackfin/mach-bf537/boards/stamp.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> This breakage is telling us something about the weird approach taken in
> this file, methinks.
> 
> > diff --git a/arch/blackfin/mach-bf537/boards/stamp.c b/arch/blackfin/mach-bf537/boards/stamp.c
> > index b40b849..9735345 100644
> > --- a/arch/blackfin/mach-bf537/boards/stamp.c
> > +++ b/arch/blackfin/mach-bf537/boards/stamp.c
> > @@ -2221,7 +2221,7 @@ static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
> >  	},
> >  #endif
> >  
> > -#if defined(CONFIG_ADT75) || defined(CONFIG_ADT75_MODULE)
> > +#if IS_ENABLED(CONFIG_SENSORS_LM75)
> >  	{
> >  		I2C_BOARD_INFO("adt75", 0x9),
> 
> Unrelated to this patch, but this is very odd, as the ADT75 can't have
> slave address 0x09. This address is almost exclusively used by battery
> chargers AFAIK.
> 
> >  		.irq = IRQ_PG5,
> 
> The patch itself looks good.
> 
> Reviewed-by: Jean Delvare <khali@...ux-fr.org>

After which nothing seems to have happened. Can someone please have a
look at this patch?


Paul Bolle

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